Bhimsen was younger to Yudhishtir by one year 19 days. Arjun was born one year 4 months 21 days after Bhimsen’s birth.

Nakul and Sahadev were twins and younger to Arjuna by one year 15 days.

Karna was elder to Yudhishtir by 16 years.

Duryodhan was younger to Bhimsen by one day. All the brothers of Duryodhan were born one per each day (ie. for 99 days).

Yudhishtir constructed Maya Sabha at the age of 60. He ruled Indraprastha for 16 years thereafter and lost his kingdom to Duryodhan towards stake in dice game.

As per the terms of the game Pandavas observed forest life for 12 years and a year in anonymity. Then Yudhishtir was 89 years 10 months 9 days of age.

Their negotiations for regaining their kingdom took for 14 months 17 days.

Yudhishtir was 91 years when the great war of Kurukshetra begin on Margasheersha bright Trayodashi of Subhakrithu year. The war was continued for 18 days. The participation in the war from both the sides counts to 18 Akshohinis (39,36,600).

Of the above, at the close of the war the survivors were only eleven. Pandavas, Sri Krishna, Sathyaki and Yuyutsu (son of Dhritarashtra, who joined Pandavas before the war begins) and from the Kuru’s side only three, Kripacharya, Kritavarma and Aswathama.

The Great Grandfather, head of the Kuru’s Army, Bhisma had led the war for 10 days and on the tenth day of war he was laid down on the bed of arrows, deeply hurt. That is Margaseersha dark sapthami. He was is meditation (yoganidra) for 50 days and breathed his last on Magha bright Ekadashi.

Thereafter Yudhishtir ruled Hastinapur for 36 years 2 months and 15 days. He retired to heaven at the age of 128 years 6 months.

Prior to that, Sri Krishna left his mortal body on 18.02.3102 BC. Just two day before, Kalyug entered on Chaitra bright 1st day of Pramaadhi year at 2 Hrs 27 Mts 30 Secs.